Academic literature on the topic 'Fish farmers'

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Journal articles on the topic "Fish farmers"

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Ribowo, Anggit, Sulis Wati, and Karyadi Karyadi. "MARKETING ANALYSIS MASAMO CATFISH AT SUKAS FISH FARM EAST UNGARAN DISTRICT, SEMARANG REGENCY." AQUASAINS 11, no. 2 (2023): 1251. http://dx.doi.org/10.23960/aqs.v11i2.p1251-1258.

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This study aims to determine marketing channels, the amount of margin and the farmer's share and the marketing efficiency masamo catfish in the fish farmer group sukas fish. The method used in this research is descriptive analysis method, data and literature studies. Based on the analysis results obtained in a research note that the marketing catfish masamo in a group of fish farmers efficiently halcyon sukas. It is based on the analysis of the purchase price, selling price and profit earned marketing agencies involved. The efficiency value of each institution, namely marketing, traders and re
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Omeje, J. E., A. M. Sule, and E. O. Aguihe. "An assessment of aquaculture table-size fish farmers activities in Kainji Lake Basin, Nigeria." Agro-Science 19, no. 2 (2020): 36–40. http://dx.doi.org/10.4314/as.v19i2.6.

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The study assessed aquaculture table-size fish farmer’s activities in the Kainji Lake basin, Nigeria. Specifically, the study examined aquaculture activities in the area, assessed market information, channels and support organizations, and identified the major constraints to aquaculture table- size fish farming in the area. A two-stage sampling technique was used to select 120 table-size fish farmers. Primary data were collected with a questionnaire and presented using descriptive statistics. The result shows that majority of the respondents were males (82.1%), with mean age of 36.7 years, 53.
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Nursalam, Nursalam. "Preference of Grouper Fish Marketing Institution in Tanggetada Sub-District Kolaka District." Agribusiness Journal 2, no. 2 (2017): 24–28. http://dx.doi.org/10.31327/aj.v2i2.297.

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The objectives of the study were to train clove farmers group about the post-harvest handling system in order to produce essential oils with export quality, to train clove farmers group in terms of essential oil processing system as well as to encourage clove farmers group to apply appropriate technology for processing of clove essential oil with export quality. In general, the main and most common problems faced by clove farmers are inadequate system of clove essential oil processing system, the handling system and equipment used are not up to standard, moreover, the technology used in handli
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Munguti, Jonathan, Hannington Odame, James Kirimi, Kevin Obiero, Erick Ogello, and David Liti. "Fish feeds and feed management practices in the Kenyan aquaculture sector: Challenges and opportunities." Aquatic Ecosystem Health & Management 24, no. 1 (2021): 82–89. http://dx.doi.org/10.14321/aehm.024.01.12.

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Abstract Feeds and feed management practices are key to the development of the aquaculture sector. To achieve high levels of aquaculture production, fish farmers need nutritionally adequate and cost-effective feeds, which are coupled with good feed management practices. Access to high quality and cost-effective feeds is one of the prerequisites to successful fish farming. This paper reviews the current status of the Kenyan fish feed industry and feed management practices. The review includes constraints and opportunities in fish feeds from a farmer’s perspective. The review shows that the fish
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Miftakhul Huda, Said Abdussyahid, and Heru Susilo. "Analysis of Polyculture Farm Cultivation Business and the Level of Welfare of Farmers in Muara Sembilang Family, Samboja District Kutai Kartanegara Regency." Jurnal Pembangunan Perikanan dan Agribisnis 8, no. 1 (2022): 129–40. http://dx.doi.org/10.30872/jppa.v8i1.30.

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This study analyzes the brackish water pond polyculture system's business feasibility and identifies fish farmers' welfare level. This study was carried out in Muara Sembilang village located in Kutai Kartanegara Regency. The twenty fish farmers were selected as respondents by using the purposive sampling method. Data were examined by applying business analysis and fish farmer term of trade (NTPi) methods. Results showed that the average income of the brackish water pond polyculture system's business IDR1.950.701.047 per year. Also, fish farmers' welfare level using NTPi value indicated a valu
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Rachmawati, Sari, Nunung Kusnadi, and Netti Tinaprilla. "IMPACT OF SELF-SUFFICIENCY FISH FEED PROGRAM ON THE FISH FARMING BUSINESS PERFORMANCE." Agrisocionomics: Jurnal Sosial Ekonomi Pertanian 7, no. 3 (2023): 698–710. http://dx.doi.org/10.14710/agrisocionomics.v7i3.17728.

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High feed prices and a high proportion of feed costs cause the profitability of fish farming businesses to decline. One of the government's efforts to reduce feed costs is encouraging fish farmers to produce their feed using local raw materials through Self-Sufficiency Fish Feed Program. This study aims to analyze program’s impact on the fish farming performance using the Propensity Score Matching (PSM) method. Performance is measured by cost, revenue, profit, R/C ratio, Feed Conversion Ratio (FCR), and technical efficiency which estimated using Data Envelopment Analysis (DEA). The results sho
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Suratiyah, Ken. "USAHATANI IKAN SKALA RUMAH TANGGA." Agro Ekonomi 9, no. 1 (2016): 29. http://dx.doi.org/10.22146/agroekonomi.16806.

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Fish pond is the important alternative beside food crops, if water and the other natural resources are possible. So food crops farmers can generate their income by chosing fish pond-farm. This paper focusses on four main parts: labour absorption, and productivity, farmer income, profitability and household welfare level.The result of the study showed that, nevertheless most farmers were small farmers, they still regarded their main job were being food crops famers. Fish pond-farm that the farmer income, labour productivity and profitability were higher than food crops, just as part time job. B
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Milius, Susan. "Fish as Farmers." Science News 170, no. 7 (2006): 102. http://dx.doi.org/10.2307/4017269.

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Custodian, D. Nnadi, W. Azibato Dobie, N. Nnadi Florentus, and A. Roland Ayibazuodei. "Good Agricultural Practices in Catfish Farming Among Commercial Fish Farmers in Yenagoa Local Government Area, Bayelsa State, Nigeria." International Journal of Life Science and Agriculture Research 04, no. 01 (2025): 38–43. https://doi.org/10.5281/zenodo.14738536.

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This study was on Good Agricultural Practices (GAPs) in catfish farming among commercial fish farmers in Yenagoa Local Government Area (YELGA), Bayelsa state, Nigeria. The objectives were to; ascertain the awareness of GAPs among commercial fish farmers in YELGA, identify GAPs aware of by YELGA commercial fish farmers and determine the GAPs use by commercial fish farmers in catfish farming. A total of 77 fish farmers; randomly chosen from list obtained from Ministry of Trade and Industry, formed the sample size; whom structured questionnaire was administered on. Data were analysed descriptivel
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Rozaki, Zuhud, Ana Listiyanah, and Nainatul Farzuha Nor. "Farmers’ Motivation to Practice Rice-Fish Farming Farming in Candibinangun Village, Sleman." E3S Web of Conferences 444 (2023): 02047. http://dx.doi.org/10.1051/e3sconf/202344402047.

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Rice-Fish is a combined agricultural and fishery practice with the potential to enhance the productivity of paddy fields. The implementation of this farming technique aims to improve the welfare of farmers in Candibinangun Village. The purpose of this study is to investigate the farmers’ motivation to practice rice-fish and identify the factors influencing their motivation towards this practice. The research was conducted using a descriptive method and a census technique, collecting data from 35 rice-fish farmers in Candibinangun Village. Spearman’s rank correlation was used to analyze the dat
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Dissertations / Theses on the topic "Fish farmers"

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Banerjee, Soma. "Investigations on the potentialities of crop-livestock-fish integrated farming system for the marginal farmers in terai region of West Bengal." Thesis, University of North Bengal, 2013. http://hdl.handle.net/123456789/1453.

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Cochrane, Alexandra. "Identifying and Situating the Medieval Ragundaskogen: A Tale of Forest, Fish and Farmers." Thesis, Uppsala universitet, Institutionen för arkeologi och antik historia, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-446330.

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In several medieval written sources an area called Ragundaskogen (Eng: Ragunda Forest) is documented in eastern Jämtland. The references in the sources are general and lack specific information about location, meaning and the extent of this area. This thesis uses a theoretical framework based on niche construction and a method employing written sources, place names and archaeological remains to better understand the medieval concept of the Ragunda Forest. The study will reconstruct and discuss the area’s geography, but also provide insight into the people who lived there, their relationships w
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Varvarigos, Panagiotis. "Microcomputer based fish farm production planning : the development of a microcomputerised data recording and production decision support system for individual fish farmers and its implementation on a fresh water trout hatchery." Thesis, University of Stirling, 1987. http://hdl.handle.net/1893/24822.

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In order to develop a system that could provide fish farmers with information to monitor stock performance and plan for a timely production, a computerised recording system was designed and tested on a trout hatchery in Scotland. It facilitated routine data capture on site with a small hand-held computer, programmed in BASIC language, which subsequently downloaded the data to a central desk-top microcomputer for further processing. Both direct and long-distance transmission via the telephone network using modems were possible. The LOTUS 1-2-3 general purpose software package, running on the mi
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van, der Blom Daan Wilhelmus. "Aquaculture in Sweden : Sustainability of land-based recirculation aquaculture as a future alternative for Swedish fish farmers." Thesis, Linköpings universitet, Tema vatten i natur och samhälle, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-94683.

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With the world’s population expanding rapidly and estimated to reach nine billion in 2050, the demand for food will increase. Therefore the need for more sustainable ways of food production, in particular meat, poultry and fish are needed. Aquaculture can significantly contribute to this. This thesis focuses on Swedish aquaculture and in particular the increasingly used method of food fish farming in Recirculation Aquaculture Systems (RAS). The aim of the thesis is to analyze and discern the possibilities and challenges of RAS in Sweden, with particular focus on Östergötland. Furthermore it ex
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Crentsil, Christian. "Essays on the effects of risk and ambiguity attitudes on production choices of smallholder fish farmers in southern Ghana." Thesis, University of Kent, 2018. https://kar.kent.ac.uk/65734/.

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This thesis contains four empirical chapters which together contribute to behavioural economics in the area of fish production in a developing country context. The key thread connecting all the empirical studies is the behavioural characteristic of farmers (risk and ambiguity attitudes) elicited through incentivised field experiments and general survey questions. The first empirical chapter seeks to answer the questions: What is the risk attitude of a typical smallholder fish farmer in a developing country? Do risk attitudes of fish farmers remain stable across different elicitation methods an
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Munzir, Abdullah. "Technical efficiency performance of small fish farmers' production in West Sumatra, Indonesia : a stochastic frontier analysis on floating net cage aquaculture development /." Beuren ; Stuttgart : Grauer, 2001. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=009999212&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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Vestling, Veronika, and Viktoria Forsberg. "The livelihoods of female seaweed farmers : A study about women's experiences of old and new techniques of seaweed farming on Zanzibar, Tanzania." Thesis, Högskolan för lärande och kommunikation, Högskolan i Jönköping, HLK, Globala studier, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-40719.

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Seaweed has been hit hard by climate change around the world. The island of Zanzibar, which is the world’s third biggest exporter of seaweed, is one of the places where seaweed is affected. 80 percent of the seaweed farmers on Zanzibar are women who are directly affected by climate change since they are making a living from seaweed farming. New efforts to tackle the impact of climate change on seaweed has been made on Zanzibar through the SEA PoWer project which is a new technique of growing seaweed and enables twenty-four female seaweed farmers to grow in deep and cooler waters instead of the
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Gatonye, Margaret. "Social Inclusivity and Equitable Development: Women in Fisheries and Aquaculture in Rural Communities of Kenya." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1586540674871228.

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He, Ping. "Antioxidants in fish meals, fish feeds and farmed fish." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ39660.pdf.

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Barkerud, Rickard. "Welfare Evaluation of Stunning Practices for Farmed Fish in the European Union." Thesis, Linnéuniversitetet, Institutionen för biologi och miljö (BOM), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-107042.

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An optimal method for stunning animals before slaughter should result in instantaneous and irreversible insensibility. Today, there are various stunning and slaughter practices used around the world for farmed fish. With aquaculture being a growing food sector, the welfare of the animals used has become increasingly important in the consciousness of consumers, researchers and regulatory bodies. With growing research into the subject matter, an overview to summarize and examine how these practices impact on the welfare of the fish, and how well they conform to animal welfare legislation, is war
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Books on the topic "Fish farmers"

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Johnstone, May. Training opportunities for fish farmers. Scottish Salmon Growers Association?, 1991.

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Shaw, Susan A. Marketing: A practical guide for fish farmers. Fishing News Books, 1990.

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Radhey, Shyam. Evaluation of Fish Farmers Development Agency in Uttar Pradesh. Agro-Economic Research Centre, University of Allahabad, 1997.

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Wijkstrom, U. N. Fish farmers in rural communities: Results of a survey in Northwestern Province, Zambia. ALCOM (Food and Agriculture Organization), 1992.

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Great Britain. Department of Agriculture for Northern Ireland., ed. How to recognise the major diseases in salmonids: A one day course for fish farmers. Department of Agriculture for NorthernIreland, 1993.

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Ahmed, Mahfuzuddin. Household socioeconomics, resource use and fish marketing in two thanas of Bangladesh. International Center for Living Aquatic Resources Management, 1993.

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K, Srivastava Uma, and Indian Institute of Management, Ahmedabad., eds. Freshwater aquaculture in India. Oxford & IBH Pub. Co., 1993.

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Islam, Mohammed Mehrul. Development of a training manual for fish farmers in North-West Fisheries Extension Project, Bangladesh basedupon participatory action learning. University of Wolverhampton, 1994.

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m, Ulf N. Wijkstro. A socio-economic survey on fish-farmers in rural communities: Report prepared for the Aquaculture for Local Community Development Programme. Food and Agriculture Organization, 1988.

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C, Kestin S., and Warriss P. D, eds. Farmed fish quality. Fishing News Books, 2001.

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Book chapters on the topic "Fish farmers"

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Bimbao, M. P., A. V. Cruz, I. R. Smith, Castillano dela Cruz, Clive Lightfoot, and R. C. Sevilleja. "14. An economic assessment of rice-fish culture in the Philippines; A user perspective on rice-fish culture in the Philippines." In Let Farmers Judge. Practical Action Publishing, 1992. http://dx.doi.org/10.3362/9781780445304.014.

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Bekarev, Alexander, Evgeny Ivashko, and Valentina Ivashko. "Aquaculture Digitalization: Polling Karelian Fish Farmers." In Agriculture Digitalization and Organic Production. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-4165-0_33.

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Maseko, Phirl, Ian Scoones, and Ken Wilson. "9. Farmer-based research and extension in Zimbabwe; A trap, a fish poison and culturally significant pest control; Beyond the PTD approach." In Joining Farmers’ Experiments. Practical Action Publishing, 1991. http://dx.doi.org/10.3362/9781780442587.009.

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Santos-Reis, Margarida, Rui Santos, Paula Antunes, et al. "Reconciliation of the Conflict Between Otters and Fish Farmers." In Human - Wildlife Conflicts in Europe. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-540-34789-7_4.

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Nguyen Minh Duc. "Farmers’ Happiness from Fish Production: A Case Study in Vietnam." In Science Across Cultures: the History of Non-Western Science. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-2700-7_12.

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Rumpold, Birgit A. "Global consumer perception of insects as feed." In Insects as animal feed: novel ingredients for use in pet, aquaculture and livestock diets. CABI, 2021. http://dx.doi.org/10.1079/9781789245929.0015.

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Abstract This chapter provides a global overview of farmers' and stakeholders' as well as consumers' perception of insect-based feeds from the literature and discusses gaps, lessons learnt and future needs in order to improve the acceptance of insects as feed, as well as the acceptance of meat and fish fed with insect containing feed.
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Adeleke, M. L., D. Al-Kenawy, A. M. Nasr-Allah, M. Dickson, and Desalegn Ayal. "Impacts of Environmental Change on Fish Production in Egypt and Nigeria: Technical Characteristics and Practice." In African Handbook of Climate Change Adaptation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_153.

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AbstractA survey approach was applied to examine the technical characteristics of fish farming practice in Egypt and Nigeria. Critical issues such as floods and other vices were considered in bringing out the inference and level of aquaculture in both countries. Multistage sampling technique was used to select the study area and the number of respondents. Both primary and secondary data were used in the analysis. Eighty fish farmers were randomly selected from each of the country, making a total of 160 respondents. The socioeconomic characteristics revealed that aquaculture is an antique ventu
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Tahir, Muhlis, Choirun Annas, Mohammad Robihul Mufid, Andhik Ampuh Yunanto, Arvita Agus Kurniasari, and Achmad Shofyan. "Geographic Information System of Fish Farmers Location in Tulungagung District Using Leaflet." In Proceedings of the International Conference on Applied Science and Technology on Social Science 2022 (iCAST-SS 2022). Atlantis Press SARL, 2022. http://dx.doi.org/10.2991/978-2-494069-83-1_118.

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Oparinde, Lawrence Olusola. "Gender Differentials in Livelihood Security among Aquaculture Fish Farmers in Southwest Nigeria." In Sustainable Development in Africa. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-74693-3_19.

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Hishamunda, Nathanael, and Neil Ridler. "Promoting the Environmental and Social Responsibility of Fish Farmers: A Global Governance Perspective." In Social Responsibility, Entrepreneurship and the Common Good. Palgrave Macmillan UK, 2012. http://dx.doi.org/10.1057/9780230354890_9.

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Conference papers on the topic "Fish farmers"

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Nishiguchi, Masanori, Hitoshi Habe, Koji Abe, Masayuki Otani, and Nobukazu Iguchi. "A Computer Vision Approach to Counting Farmed Fish in Flowing Water." In 20th International Conference on Computer Vision Theory and Applications. SCITEPRESS - Science and Technology Publications, 2025. https://doi.org/10.5220/0013388800003912.

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Tomazzoli, Claudio, Sara Migliorini, and Roberto Pastres. "Forecasting Dissolved Oxygen Level in Land-Based Fish Farms using a Context-Aware Recurrent Neural Network." In 2024 IEEE International Workshop on Metrology for Agriculture and Forestry (MetroAgriFor). IEEE, 2024. https://doi.org/10.1109/metroagrifor63043.2024.10948763.

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Setiawan, Faisal Arif, KaruniaPuji Hastuti, Eva Alviawati, and Akhmad Munaya Rahman. "Livelihood Strategies of Fish Farmers in Tiwingan Lama Village." In 2nd International Conference on Social Sciences Education (ICSSE 2020). Atlantis Press, 2021. http://dx.doi.org/10.2991/assehr.k.210222.073.

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Darapaneni, Narayana, S. Sreekanth, Anwesh Reddy Paduri, et al. "AI Based Farm Fish Disease Detection System to Help Micro and Small Fish Farmers." In 2022 Interdisciplinary Research in Technology and Management (IRTM). IEEE, 2022. http://dx.doi.org/10.1109/irtm54583.2022.9791553.

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Cheserek1, Maureen Jepkorir, Erick Ochieng Ogello2, and Kevin Odhiambo Obiero3. "Determinants of Food access and Diet quality of Women of Reproductive age from fish farming households in Western Kenya." In 4th International Nutrition and Dietetics Scientific Conference. KENYA NUTRITIONISTS AND DIETICIANS INSTITUTE, 2024. http://dx.doi.org/10.57039/jnd-conf-abt-2024-mbesm-13.

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This study investigated factors affecting household food access and diet quality of women of reproductive age within fish farming households in Western Kenya during COVID-19 pandemic period. A crosssectional study was conducted among 138 women with children aged 6-59 months from registered vulnerable and marginalized farmer groups in rural communities of Kakamega, Siaya and Busia counties. Almost half (47.1%) of the fish farming households experienced severe food insecurity with only 1.4% being food secure. Female headed households (AOR=0.082; 95% CI, 0.094-0.802; P<0.05) and unmarried wome
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Ariff, A. L. Zul, A. Mohammad Amizi, H. Zulhazman, E. R. Aweng, and M. Nursalwani. "Perception of fish farmers towards halal products on animal feed." In ADVANCES IN MATERIAL SCIENCE AND MANUFACTURING ENGINEERING. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0118110.

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Zubcov, Elena, Nadejda Andreev, Laurenția Ungureanu, et al. "Maintaining of good water quality – a prerequisite for healthy farmed fish." In Xth International Conference of Zoologists. Institute of Zoology, Republic of Moldova, 2021. http://dx.doi.org/10.53937/icz10.2021.03.

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Water quality is one of the key factors in maintenance of fish health. The current article revises the effects of various water quality parameters on fish health, methods of quality analysis and diagnosis of fish health, as well as methods for improving the water quality in fish ponds, aiming to reduce the fish health risks. The synthesis is a joint work of an international consortium formed from scientists of the Institute of Zoology and Ion Ionescu de la Brad Iasi University of Life Sciences, which allows a broader view on the fish health issue for identification of sustainable solutions for
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A. Prihanto, Asep. "RESPONSE OF FISH FARMERS TO AQUACULTURE DEVELOPMENT PROGRAM IN SEGODOREJO, SUMOBITO, JOMBANG." In International conference on Innovation and Technology. JOURNAL OF INNOVATION AND APPLIED TECHNOLOGY, 2021. http://dx.doi.org/10.21776/ub.jiat.2021.se.01.016.

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Segodorejo Village located in Sumobito Subdistric, Jombang Regency, East Java Province. This village is affected by the COVID 19 Pandemic. The economy is experiencing a process of sluggishness as a result of the pandemic. The “doctor serves” program is done to overcome the problems of youth efforts in fishery cultivation. The research aims to analyze the effectiveness and success of the activities of the serving doctor who has been carried out. The research design using survey methods with questionnaire instruments. The data obtained were analyzed descriptively in the form of characteristics o
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Atmaja, Sri, Wiwit Irawati, Listya Sugiyarti, and Eka Dewi. "Financial Management In Improving Welfare Of Fish Farmers In Jampang Village, Bogor." In Proceedings of The 1st Workshop Multimedia Education, Learning, Assessment and its Implementation in Game and Gamification, Medan Indonesia, 26th January 2019, WOMELA-GG. EAI, 2019. http://dx.doi.org/10.4108/eai.26-1-2019.2283320.

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Ridho, Hatta, and Muryanto Amin. "Increased Socio-economic Fish Farmers Group through Technology Use Variations: Fermented Feed." In International Conference of Science, Technology, Engineering, Environmental and Ramification Researches. SCITEPRESS - Science and Technology Publications, 2018. http://dx.doi.org/10.5220/0010102718261828.

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Reports on the topic "Fish farmers"

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Hartshorn, Caylin, and Benjamin Barrowes. Finite element modeling of aquatic electrical barriers—voltage and current distributions : Brandon Road Lock and Dam Interbasin Project—electric fish deterrent design recommendations. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/49458.

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Invasive carp (black, grass, silver, and bighead) are native to Asia and were imported into the US during the 1970s and 1980s to help fish farmers manage water quality and vegetation. Unfortunately, these carp became established in the Mississippi River and have led to a decline in native fish species. To prevent their spread from the Mississippi River Basin to the Great Lakes Basin via the Chicago Area Waterway System (CAWS), the US Army Corps of Engineers (USACE) operates a series of four electric dispersal barriers near Romeoville, Illinois in the Chicago Sanitary and Ship Canal (CSSC). To
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Goswami, Omanjana, and Stacy Woods. Waste Deep: How Tyson Foods Pollutes US Waterways and Which States Bear the Brunt. Union of Concerned Scientists, 2024. http://dx.doi.org/10.47923/2024.15384.

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Tyson Foods, the nation’s largest meat and poultry producer, released hundreds of millions of pounds of pollutants from its slaughterhouses and processing plants into local waterways across the United States between 2018 and 2022. Water pollutants from Tyson plants pose a risk to people and the environment and include large amounts of nitrogen and phosphorus. These nutrients feed algal blooms that clog water infrastructure, exacerbate asthma and other respiratory conditions, and contribute to dead zones that harm fish, shellfish, and people. Many of these facilities are also located close to f
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Bercovier, Herve, and Ronald P. Hedrick. Diagnostic, eco-epidemiology and control of KHV, a new viral pathogen of koi and common carp. United States Department of Agriculture, 2007. http://dx.doi.org/10.32747/2007.7695593.bard.

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Original objectives and revisions-The proposed research included these original objectives: field validation of diagnostic tests (PCR), the development and evaluation of new sensitive tools (LC-PCR/TaqManPCR, antibody detection by ELISA) including their use to study the ecology and the epidemiology of KHV (virus distribution in the environment and native cyprinids) and the carrier status of fish exposed experimentally or naturally to KHV (sites of virus replication and potential persistence or latency). In the course of the study we completed the genome sequence of KHV and developed a DNA arra
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Dunham, Rex, Benzion Cavari, Thomas Chen, et al. Gene Transfer and Expression in Farmed Fish. United States Department of Agriculture, 1993. http://dx.doi.org/10.32747/1993.7603821.bard.

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Dunham, Rex A., Boaz Moav, Thomas Chen, and Benzion Cavari. Expression and Inheritance of Growth Hormone Gene Constructs and Selective Breeding of Transgenic Farmed Fish. United States Department of Agriculture, 1994. http://dx.doi.org/10.32747/1994.7568774.bard.

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Objectives: To accomplish stable expression, inheritance of transgenes and growth improvement in transgenic channel catfish, Ictalurus punctatus, and common carp, Cyprinus carpio, containing growth hormone (GH) genes, develop transgenic fish with all fish constructs, determine the relationships between copy number, expression and growth, determine the combined affect of selective breeding and gene transfer and assess environmental risk of transgenic fish. To develop mechanisms of triploidization for transgenic carp. Results: Performance of transgenic channel catfish was made uniform by selecti
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Liu, Zhanjiang John, Rex Dunham, and Boaz Moav. Developmental and Evaluation of Advanced Expression Vectors with Both Enhanced Integration and Stable Expression for Transgenic Farmed Fish. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7585196.bard.

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The objectives of the project were to develop expression vectors using the Sleeping Beauty transposon technology and the genetic border elements to provide both enhanced integration rate and stable transgene expression, and to evaluate the application of such vectors in farmed fish such as catfish and carp. The panel recommended adding the objective of evaluating the endogenous transposable elements, particularly in catfish, in order to evaluate the applicability of the expression vectors while reduc1ng efforts in real production of transgenic fish considering the focus of the project was to d
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Gothilf, Yoav, Yonathan Zohar, Susan Wray, and Hanna Rosenfeld. Inducing sterility in farmed fish by disrupting the development of the GnRH System. United States Department of Agriculture, 2007. http://dx.doi.org/10.32747/2007.7696512.bard.

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Hypothalamic gonadotropinreleasing hormone (GnRH1) is the key hormone in the control of gametogenesis and gonadal growth in vertebrates. Developmentally, hypothalamic GnRHproducing neurons originate from the olfactory placode, migrate along olfactory axons into the forebrain, and continue to the preoptic area and hypothalamus where they function to stimulate gonadotropin secretion from the pituitary gland. An appropriate location of GnRH neurons within the hypothalamus is necessary for normal reproductive function in the adult; abnormal migration and targeting of GnRH neurons during embryogene
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Bacharach, Eran, W. Ian Lipkin, and Avigdor Eldar. Identification of the etiological agent of tilapia disease in the Lake of Galillee. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7597932.bard.

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Background to the topic. Tilapines serve as the second most important group of farmed fish worldwide. Massive mortality of wild and cultured tilapia has been observed recently in Israel but the pathogen of this disease has not been identified. We proposed to identify the agent responsible for disease.  Major conclusions, solutions, achievements. We characterized the lesions in diseased fish and found that the brain was one of the affected organs. We found conditions to isolate from brains of diseased fish the etiological agent of the tilapia disease and to propagate it in cell culture. This l
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Hedrick, Ronald, and Herve Bercovier. Characterization and Control of KHV, A New Herpes Viral Pathogen of Koi and Common Carp. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7695871.bard.

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In this project we proposed to characterize the virus genome and the structural virion polypeptides to allow development of improved diagnostic approaches and potential vaccination strategies. These goals have been mostly achieved and the corresponding data were published in three papers (see below) and three more manuscripts are in preparation. The virion polypeptides of KHV strains isolated from USA (KHV-U) and Israel (KHV-I) were found to be identical. Purified viral DNA analyzed with a total of 5 restriction enzymes demonstrated no fragment length polymorphism between KHV-I and KHV-U but b
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Briones, Roehlano, Roberto Clemente, Arlene Inocencio, Roger Jr Luyun, and Agnes Rola. Assessment of the Free Irrigation Service Act. Philippine Institute for Development Studies, 2019. https://doi.org/10.62986/dp2019.14.

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The country's irrigation systems have had a long history of recovering maintenance cost from farmers. The Free Irrigation Service Act (FISA) of 2018 was a radical departure from this policy. Based on examining secondary data, and primary information from key informant interviews and focus group discussions, this study conducts a preliminary assessment of the policy change. The assessment finds that the main benefit to farmers from free irrigation is the savings from paying the irrigation service fee in the case of national irrigation systems (NIS); and the subsidy for operations and maintenanc
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